dimitar inchev- Team Coworkies & StartupBerlin.coDefinitely Noisli is the app that save me from all the distractions by a easy ambient sound mix & match. As weird as it might sound I use rain, fire & airplane propellers. Great sound combo! They have web, chrome add-on, iOS and Android version.
Aleksandra- Maker @ Cittalabs, TealosophyHelps to concentrate and get some work done. Especially helpful if you work in the open-space office or a coworking space (both usually have a lot of distractions).